audio: poll mode infrastructure

[qemu] / qemu-option.c

diff --git a/qemu-option.c b/qemu-option.c
index 591d178..0c2101e 100644 (file)
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -274,7 +274,7 @@ int set_option_parameter(QEMUOptionParameter *list, const char *name,
 
     case OPT_STRING:
         if (value != NULL) {
-            list->value.s = strdup(value);
+            list->value.s = qemu_strdup(value);
         } else {
             fprintf(stderr, "Option '%s' needs a parameter\n", name);
             return -1;
@@ -334,12 +334,12 @@ void free_option_parameters(QEMUOptionParameter *list)
 
     while (cur && cur->name) {
         if (cur->type == OPT_STRING) {
-            free(cur->value.s);
+            qemu_free(cur->value.s);
         }
         cur++;
     }
 
-    free(list);
+    qemu_free(list);
 }
 
 /*
@@ -607,6 +607,20 @@ int qemu_opt_set(QemuOpts *opts, const char *name, const char *value)
     return 0;
 }
 
+int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
+                     int abort_on_failure)
+{
+    QemuOpt *opt;
+    int rc = 0;
+
+    TAILQ_FOREACH(opt, &opts->head, next) {
+        rc = func(opt->name, opt->str, opaque);
+        if (abort_on_failure  &&  rc != 0)
+            break;
+    }
+    return rc;
+}
+
 QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id)
 {
     QemuOpts *opts;
@@ -663,6 +677,11 @@ int qemu_opts_set(QemuOptsList *list, const char *id,
     return qemu_opt_set(opts, name, value);
 }
 
+const char *qemu_opts_id(QemuOpts *opts)
+{
+    return opts->id;
+}
+
 void qemu_opts_del(QemuOpts *opts)
 {
     QemuOpt *opt;
@@ -690,18 +709,11 @@ int qemu_opts_print(QemuOpts *opts, void *dummy)
     return 0;
 }
 
-QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *firstname)
+int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname)
 {
-    char option[128], value[128], *id = NULL;
-    QemuOpts *opts;
+    char option[128], value[128];
     const char *p,*pe,*pc;
 
-    if (get_param_value(value, sizeof(value), "id", params))
-        id = qemu_strdup(value);
-    opts = qemu_opts_create(list, id, 1);
-    if (opts == NULL)
-        return NULL;
-
     p = params;
     for(;;) {
         pe = strchr(p, '=');
@@ -715,7 +727,7 @@ QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *fi
             } else {
                 /* option without value, probably a flag */
                 p = get_opt_name(option, sizeof(option), p, ',');
-                if (strncmp(p, "no", 2) == 0) {
+                if (strncmp(option, "no", 2) == 0) {
                     memmove(option, option+2, strlen(option+2)+1);
                     pstrcpy(value, sizeof(value), "off");
                 } else {
@@ -734,8 +746,7 @@ QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *fi
         if (strcmp(option, "id") != 0) {
             /* store and parse */
             if (-1 == qemu_opt_set(opts, option, value)) {
-                qemu_opts_del(opts);
-                return NULL;
+                return -1;
             }
         }
         if (*p != ',') {
@@ -743,6 +754,31 @@ QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *fi
         }
         p++;
     }
+    return 0;
+}
+
+QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *firstname)
+{
+    char value[128], *id = NULL;
+    const char *p;
+    QemuOpts *opts;
+
+    if (strncmp(params, "id=", 3) == 0) {
+        get_opt_value(value, sizeof(value), params+3);
+        id = qemu_strdup(value);
+    } else if ((p = strstr(params, ",id=")) != NULL) {
+        get_opt_value(value, sizeof(value), p+4);
+        id = qemu_strdup(value);
+    }
+    opts = qemu_opts_create(list, id, 1);
+    if (opts == NULL)
+        return NULL;
+
+    if (qemu_opts_do_parse(opts, params, firstname) != 0) {
+        qemu_opts_del(opts);
+        return NULL;
+    }
+
     return opts;
 }